Euchroite
A variety of Minerals
What is Euchroite?
Euchroite is a hydrated copper arsenate hydroxide mineral with formula: Cu2AsO4OH·3H2O. It is a vitreous green to emerald green mineral crystallizing in the orthorhombic system. It has a Mohs hardness of 3.5 - 4.0 and a specific gravity of 3.39 - 3.45. It was first described in 1823 in Ľubietová, Slovakia.
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Euchroite Localities Map
See where Euchroite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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North ZoneCentral RidgeSouth Basin
Quick Facts
Physical Properties
- Color
- Bright emerald-green, leek-green; bright bluish green in transmitted light.
- Hardness (Mohs)
- 3.5 - 4
- Density
- 3.45 g/cm³
Chemical Properties
- Chemical Formula
- Cu2(AsO4)(OH) · 3H2O
- Elements
- As, Cu, H, O
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